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Ambient office = 91 nanosieverts per hour

 

Ambient outside = 119 nanosieverts per hour

 

Soil exposed to rain water = 119 nanosieverts per hour

 

Gala Apple from Top Foods = 114 nanosieverts per hour

 

Tap water = 136 nanosieverts per hour

 

Filtered water = 113 nanosieverts per hour